Home / 344,624.10-516,936.38-107,985.23

Finding the Fourth Proportional to 344,624.10, 516,936.38 and 107,985.23

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Solution

The fourth proportional to 344,624.10, 516,936.38 and 107,985.23 is: 161,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,624.10 : 516,936.38 = 107,985.23 : x
  2. Step 2: Convert to fraction form
    344,624.10/516,936.38 = 107,985.23/x
  3. Step 3: Cross multiply
    344,624.10x = 516,936.38 × 107,985.23
  4. Step 4: Simplify right side
    344,624.10x = 55,821,496,218.75
  5. Step 5: Solve for x
    x = 55,821,496,218.75/344,624.10
  6. Step 6: Final answer
    x = 161,977.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.